Ralf Siebenmorgen MIR on ELT’s

The Mid-infrared on ELT’s

MIR recommended to be essential

(3 – 25µm)

Ralf Siebenmorgen MIR on ELT’s

R~300

Ralf Siebenmorgen MIR on ELT’s

Present MIR instruments: <8m

Ralf Siebenmorgen MIR on ELT’s

Sensitivity = BLIP x Site x Telescope

Present MIR instruments: ≥8m

4

Ralf Siebenmorgen MIR on ELT’s

A taste of spatial resolution 4m viz 8m AGN viz starburst

resolved

unresolved

Ralf Siebenmorgen MIR on ELT’s

HR spectroscopy: velocity fieldKeplerian gas motion-> black hole mass

0.5

BHBH 8

O

100 Mpc0.0310MM D

Wold et al. 2006

NGC 7582 NeII (12.8µm)

VLT,JWST, … - ≤ 10m - unresolved ELT - > 30m - resolved

Ralf Siebenmorgen MIR on ELT’s

Spitzer

VISIR

METIS

flux [ mJy]

Ralf Siebenmorgen MIR on ELT’s

MIR/ELT will solve host of astronomical questions by resolved spectroscopy and imaging

MIR/ELT `galactic’ science cases

- Life cycle of dust- Star formation- Governing disk architecture for planet formation- Dynamical history of the solar system- ….

Ralf Siebenmorgen MIR on ELT’s

Formation of stars in MC

Evolution of proto-planetary & debris disks

Planet formationSolar system: unique?

Building blocks &Origin of life

Ralf Siebenmorgen MIR on ELT’s

~13µm

Richness of MIR

+ solid state+ PAH+ atoms+ ions

+extinction

Molecules:

Ralf Siebenmorgen MIR on ELT’s

MIR spectroscopy in: ISM, disks, cometsResolved lines -> velocity information; density, temperature, abundance

TW Hya[NeII]

v [km/s]

Pascuci&Sterzik’09

Photoevoparative disk wind Single exposure (not with ALMA)

wavelength (nm)

flux

N2Oj ≤ 46 transitions

Ralf Siebenmorgen MIR on ELT’s

scale: --- ELT ---> <---- ALMA ---

Proto-planetary disks- chemical structure of the disk- velocity field and turbulent disk mixing- probe pathways of planet formation

Ralf Siebenmorgen MIR on ELT’s

- Ground: RV studies + scattered light imaging ->Orbit parameters (M, r, ε)

Transit~> atmosphere

Exo-planets

- Space: Kepler, SIM improved statistics

- ELT/MIR: Resolving disk structureVelocity fieldPlanet thermal emissionSpectroscopy of bio markers

Ralf Siebenmorgen MIR on ELT’s

3-5µm: ices in comets (Mumma et al.)

In-situ search for prebiotic molecules

Delivery to Earth via heavy bombardment?->ELT provide event Statistics of:

Origin of life ?

Ralf Siebenmorgen MIR on ELT’s

Debris disk structure: theory

Disk + planet: possible dust density (Ozernoy et al.)

20µm dust emission at 40pc (Wilner et al)

JWST

30m

Ralf Siebenmorgen MIR on ELT’s

Debris disks with planet: beta Pic

Lagrange et al. 3.6µm Telesco et al. 8-25µm

ELT -> Statistics on the debris disk structure

Ralf Siebenmorgen MIR on ELT’s

Thermal emission of a planet

Pantin et al. ‘08